do some small cleanups

ircbot/bot.py

@@ -1,5 +1,4 @@
 """Provide the base IRC client bot which other code can latch onto."""
-
 import bisect
 import collections
 import copy
@@ -30,7 +29,7 @@ class PrioritizedRegexHandler(collections.namedtuple('Base', ('priority', 'regex
     """Regex handler that still uses the normal handler priority stuff."""
 
     def __lt__(self, other):
-        """When sorting prioritized handlers, only use the priority"""
+        """When sorting prioritized handlers, only use the priority."""
         return self.priority < other.priority
 
 
@@ -55,6 +54,9 @@ class LenientServerConnection(irc.client.ServerConnection):
 class DrReactor(irc.client.Reactor):
     """Customize the basic IRC library's Reactor with more features."""
 
+    # used by Reactor.server() to initialize
+    connection_class = LenientServerConnection
+
     def __do_nothing(*args, **kwargs):
         pass
 
@@ -63,18 +65,10 @@ class DrReactor(irc.client.Reactor):
         super(DrReactor, self).__init__(on_connect=on_connect, on_disconnect=on_disconnect)
         self.regex_handlers = {}
 
-    def server(self):
-        """Creates and returns a ServerConnection object."""
-        c = LenientServerConnection(self)
-        with self.mutex:
-            self.connections.append(c)
-        return c
-
     def add_global_regex_handler(self, events, regex, handler, priority=0):
-        """Adds a global handler function for a specific event type and regex.
+        """Add a global handler function for a specific event type and regex.
 
         Arguments:
-
             events --- Event type(s) (a list of strings).
 
             handler -- Callback function taking connection and event
@@ -104,10 +98,9 @@ class DrReactor(irc.client.Reactor):
                 bisect.insort(event_regex_handlers, handler)
 
     def remove_global_regex_handler(self, events, handler):
-        """Removes a global regex handler function.
+        """Remove a global regex handler function.
 
         Arguments:
-
             events -- Event type(s) (a list of strings).
             handler -- Callback function.
 
@@ -218,8 +211,7 @@ class DrReactor(irc.client.Reactor):
                     if result == "NO MORE":
                         return
         except Exception as ex:
-            log.error("caught exception!")
-            log.exception(ex)
+            log.exception("caught exception!")
             connection.privmsg(event.target, str(ex))
 
     def try_recursion(self, connection, event):